html,
body {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    width: 100%;
    height: 100%;
    background: url(../images/bg2.jpg) no-repeat center;
    background-size: cover;
}

.login-box {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 340px;
    background-color: aliceblue;
}

.login-tittle {
    margin-bottom: 20px;
    height: 60px;
    background: url(../images/bg3.jpg) no-repeat center;
    background-size: cover;
    color: white;
    font-size: 35px;
    font-weight: 700;
    line-height: 60px;
    text-align: center;
    letter-spacing: 13px;
}

.reg-a {
    display: none;
}

#link-reg,
#link-login {
    display: flex;
    justify-content: flex-end;
}

.layui-form-item {
    position: relative;
    padding: 0 30px;
}

.layui-icon {
    position: absolute;
    top: 11px;
    left: 39px;
}

.layui-input {
    padding-left: 30px;
}